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Cake day: November 19th, 2023

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  • When wind speed doubles, the energy it carries increases eightfold,

    Edit: I’m wrong, see edit below!

    Huh? Kinetic energy increase is square, not cubic.

    KE=1/2 m v^2

    So every doubling of speed should increase the available kinetic energy by 4 times, not 8. 3 times the speed is 9 times the energy. Granted there are probably some efficiency gains in excess of this at the low end, but as a rule that’s just wrong.

    Edit: Cool, I learned something new! I neglected to consider it in terms of power, just thought about kinetic energy.

    So something like: KE = 1/2 m v^2

    = 1/2 ( rho V) v^2

    = 1/2 ( rho A d) (d/t)^2

    = 1/2 rho A d^3 1/t^2

    Where P = KE/t

    Thus:

    P = 1/2 rho A (d/t)^3

    = 1/2 rho A v^3

    Lots of other aspects I’m sure I have wrong, but I see how the cubic came to be.



  • yeah my product is awful but have you seen the other guy

    Yeah, it’s this. I worked at Epic somewhat recently, and I’ve since worked with former Cerner/Oracle folks too. To Epic’s credit, they’ve never been acquired, and are better for it.

    There’s a lot of vocational awe across the board, people genuinely trying their best to make the product good. But healthcare is inherently complicated, because people are complicated. Each individual health system needs it customized to their specific needs, and over time this can get hairy to support. Add on to that that regulations and guidelines literally change every year, and it can become really hard to make headway on more meaningful changes when you’re just trying to stay compliant.

    This leads to burnout on the software support side, Epic churns through new hires like crazy - average tenure has been way down since COVID-19 (you can Google their response to that), so it’s a revolving door of 21-25 year olds keeping that ship afloat.

    Also, yes, insurance companies are the ones making the big money, by a mile.


  • WFloyd@lemmy.worldtoNews@lemmy.world*Permanently Deleted*
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    8 months ago

    I used to drive on State Line past that lot full of Teslas daily, always saw a ton of Cybertrucks just sitting. Once Musk started getting so much (more) hate I figured it was a matter of time before someone torched it.

    Also, I always find it funny how it’s totally just a road that divides the states, I’d drive to work and be “in” Missouri and drive home “in” Kansas lol